* {
    margin: 0;
    padding: 0;
}

html, body, #container{
    width: 100%;
    height: 100%;
}

#container{
    background-color: #f2f2f2;
}

#palette{
    width: 20%;
    height: 20%;
    position: absolute;
    top: 50%;
    right: 2%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.4);
}

.range {
    display: block;
    width: 90%;
    height: 20%;
}